Brass's Bounty + Horde of Notions + Lutri, the Spellchaser + Yahenni, Undying Partisan
Brass's Bounty
Sorcery
Horde of Notions
Legendary Creature — Elemental
Lutri, the Spellchaser
Legendary Creature — Elemental Otter
Yahenni, Undying Partisan
Legendary Creature — Aetherborn Vampire
Result
- Infinite artifact ETB
- Infinite artifact LTB
- Infinite artifact sacrifice triggers
- Infinite artifact tokens
- Infinite creature ETB
- Infinite creature LTB
- Infinite Treasure tokens
- Infinite colored mana
- Infinite death triggers
- Infinite magecraft triggers
- Infinite recursion of Elemental cards in your graveyard
- Infinite creature sacrifice triggers
- Infinite storm count
Combo data from Commander Spellbook.